Problem A
Interval Cover — Problem Statistics

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Submissions	8418
Accepted submissions	1977
Submission ratio	23.49%
Authors	1039
Accepted authors	789
Author ratio	75.94%

#	User	Runtime	Language	Date
1	Bergur Snorrason	0.06 s	C	2019-07-21 02:03:26
2	Vincent Lagerros	0.09 s	C	2023-09-12 20:32:30
3	Johannes Svensson	0.10 s	C	2009-09-17 11:52:06
4	Thibault Raffaillac	0.10 s	C	2014-12-01 13:31:20
5	Mats Linander	0.11 s	C	2006-09-19 13:27:59
6	Henrik Sjögren	0.11 s	C	2006-09-21 23:46:02
7	Erik Gustafsson	0.11 s	C	2007-09-18 17:08:56
8	Mikael Auno	0.11 s	C	2008-09-18 22:58:37
9	Hidden user	0.12 s	C	2011-02-14 18:18:13
10	Oskar Arvidsson	0.12 s	C	2011-09-02 13:47:08

#	User	Runtime	Language	Date
1	Simon Ståhlberg	0.34 s	C#	2014-02-02 23:19:11

#	User	Runtime	Language	Date
1	Leif Eriksson	0.03 s	C++	2018-02-16 23:27:44
2	Garðar Ingvarsson	0.03 s	C++	2020-12-15 12:30:49
3	Olle Eriksson	0.04 s	C++	2017-12-03 01:34:22
4	Erik Nikko	0.04 s	C++	2021-01-29 15:10:44
5	Alexander Kravberg	0.04 s	C++	2023-02-27 00:22:25
6	Nicholas Foo Chuan Le	0.08 s	C++	2022-12-05 15:51:06
7	Ulf Lundström	0.10 s	C++	2006-09-06 23:42:56
8	Jesper Särnesjö	0.10 s	C++	2007-09-16 17:23:52
9	Martin Thörne	0.10 s	C++	2007-09-21 02:24:57
10	Tobias Kruseborn	0.10 s	C++	2007-09-21 02:51:43

#	User	Runtime	Language	Date
1	Norbert Voelker	0.15 s	Go	2023-06-14 12:29:26
2	Vilhelm Melkstam	0.91 s	Go	2022-01-26 21:00:57
3	Vilhelm Melkstam	0.92 s	Go	2022-01-26 20:59:29

#	User	Runtime	Language	Date
1	Helmut Maierhofer	0.32 s	Haskell	2023-10-19 20:26:17
2	Hidden user	1.28 s	Haskell	2023-03-19 10:14:31
3	Brent Yorgey	1.63 s	Haskell	2021-02-22 04:54:38

#	User	Runtime	Language	Date
1	David Brink	0.39 s	Java	2017-02-04 09:53:36
2	Crystal Sharpe	0.42 s	Java	2020-08-21 17:52:20
3	Andreas Brytting	0.55 s	Java	2013-02-05 15:54:30
4	Hà Minh Ngọc	0.55 s	Java	2015-10-24 18:19:29
5	Håkan Warnquist	0.57 s	Java	2013-02-18 13:48:59
6	Jonas Haglund	0.61 s	Java	2014-02-09 14:44:44
7	Anders Ye	0.61 s	Java	2014-02-09 15:53:50
8	Rikard Blixt	0.62 s	Java	2014-02-04 12:40:46
9	Mattis Kancans Envall	0.62 s	Java	2014-09-29 19:44:50
10	Andrew Polizzotto	0.62 s	Java	2020-12-12 09:32:10

#	User	Runtime	Language	Date
1	Christian Cederquist	0.32 s	JavaScript (SpiderMonkey)	2023-06-29 23:56:04

#	User	Runtime	Language	Date
1	Benjamin Ye	0.56 s	Kotlin	2022-02-08 19:42:22
2	Silas Lenz	1.41 s	Kotlin	2019-02-07 15:57:08
3	Min-Zheng Shieh	1.92 s	Kotlin	2021-04-30 09:45:59

#	User	Runtime	Language	Date
1	Andreas Serra	0.45 s	Python 2	2014-02-06 15:24:01
2	Oskar Larsson	0.47 s	Python 2	2019-04-24 22:31:40
3	Maj Stenmark	0.50 s	Python 2	2018-08-03 14:43:50
4	Måns Magnusson	0.52 s	Python 2	2018-08-03 14:22:28
5	Henrik Adolfsson	0.53 s	Python 2	2017-01-22 14:25:23
6	Carl Martin Rosenberg	0.55 s	Python 2	2015-11-07 20:18:44
7	Fatima Afzali	0.61 s	Python 2	2019-01-26 21:37:35
8	Andreas Björklund	0.64 s	Python 2	2020-03-07 16:51:37
9	Johan Lyts	1.16 s	Python 2	2020-08-09 14:50:10

#	User	Runtime	Language	Date
1	Tobias Grandin Karanta	0.28 s	Python 3	2025-01-23 14:50:26
2	Victor Eriksson	0.32 s	Python 3	2024-09-09 14:21:22
3	Oskar Arensmeier	0.32 s	Python 3	2025-04-01 16:09:54
4	Elias Martinsson	0.33 s	Python 3	2025-01-29 13:09:07
5	Rikaz Nismi	0.40 s	Python 3	2023-02-14 06:31:56
6	Jonathan Cho	0.41 s	Python 3	2025-03-26 22:26:53
7	Filip Edberger	0.42 s	Python 3	2024-02-08 12:08:10
8	test test	0.42 s	Python 3	2025-05-28 11:49:56
9	Olle Ulfvin	0.42 s	Python 3	2025-05-28 12:37:30
10	Hassan Mustafa	0.43 s	Python 3	2023-02-09 15:10:08

#	User	Runtime	Language	Date
1	Vincent Lagerros	0.03 s	Rust	2024-01-23 22:26:17
2	Christoffer Andersson	0.04 s	Rust	2024-02-01 18:09:12
3	Markus Videfors	0.05 s	Rust	2023-02-13 00:48:28
4	Oskar Svanström	0.05 s	Rust	2023-02-14 09:14:31
5	Alexander Berntsson	0.05 s	Rust	2025-02-08 13:10:22
6	Gustaf Bergmark	0.06 s	Rust	2023-01-14 17:47:41
7	Emil Hultcrantz	0.06 s	Rust	2025-01-16 14:55:19
8	Victor Millberg	0.07 s	Rust	2021-12-03 13:59:53
9	Muhammad Rais Fathin Mudzakir	0.08 s	Rust	2021-05-13 08:16:44
10	Egor Kulikov	0.08 s	Rust	2025-03-18 10:04:06

#	User	Runtime	Language	Date
1	Felix Stenberg	0.07 s	Zig	2025-02-05 15:11:38

#	User	Length	Language	Date
1	Thibault Raffaillac	1336	C	2014-12-01 12:47:47
2	Hidden user	1569	C	2011-02-13 12:34:01
3	Ioannis Br	1638	C	2023-09-12 21:54:18
4	Oskar Arvidsson	1768	C	2011-09-02 13:53:42
5	Oscar Cusin	1805	C	2024-01-24 22:26:00
6	Hidden user	1907	C	2024-11-06 17:01:22
7	Jacob Gummesson Atroshi	1927	C	2020-05-03 11:28:05
8	Vincent Lagerros	2184	C	2023-09-12 18:03:44
9	Ivan Petrov	2412	C	2020-01-29 08:00:33
10	Oskar Lundin	2423	C	2021-01-31 20:19:39

#	User	Length	Language	Date
1	Simon Ståhlberg	3632	C#	2014-02-02 23:19:11

#	User	Length	Language	Date
1	Jalvin Chan Jia Xiang	876	C++	2020-04-13 16:21:22
2	Thiên Tài Zero	911	C++	2017-10-31 17:19:44
3	Markus Mathiasen	981	C++	2022-08-06 18:58:57
4	Johan Wind	987	C++	2018-04-21 14:37:27
5	Atli Fannar Franklín	1009	C++	2020-05-05 16:49:03
6	Hyunjun Lee	1040	C++	2023-01-12 09:37:00
7	Oskar Haarklou Veileborg	1141	C++	2020-04-28 18:59:25
8	Hidden user	1156	C++	2024-02-13 13:37:57
9	Alexander Skidanov	1182	C++	2024-11-10 18:19:59
10	ณัฐวุฒิ เจนศักดิ์ดา	1198	C++	2024-01-16 12:35:30

#	User	Length	Language	Date
1	Norbert Voelker	2275	Go	2023-03-15 17:17:16
2	Vilhelm Melkstam	2536	Go	2022-01-26 21:00:57
3	Vilhelm Melkstam	2536	Go	2022-01-26 20:59:29

#	User	Length	Language	Date
1	Hidden user	2004	Haskell	2023-03-19 10:14:31
2	Brent Yorgey	3163	Haskell	2021-02-22 04:54:38
3	Helmut Maierhofer	3606	Haskell	2023-10-19 20:40:40

#	User	Length	Language	Date
1	Doug Goodman	2009	Java	2018-01-05 19:15:10
2	Crystal Sharpe	2111	Java	2020-08-21 17:53:13
3	William Zhao	2166	Java	2020-07-11 04:27:58
4	Eric Leow Yu Quan	2173	Java	2021-12-14 15:13:17
5	Emilie Hyslop	2237	Java	2021-11-13 01:52:13
6	Samuel Zackrisson	2433	Java	2016-09-19 11:05:09
7	Mohamed Faez Bin Shahlan	2497	Java	2023-02-04 08:27:04
8	Danniel Alcantara	2567	Java	2024-04-30 02:56:47
9	Bryan Jin	2585	Java	2018-08-22 21:22:38
10	Daniel Hollsten	2630	Java	2014-09-15 20:07:24

#	User	Length	Language	Date
1	Christian Cederquist	1437	JavaScript (SpiderMonkey)	2023-06-29 23:56:04

#	User	Length	Language	Date
1	Min-Zheng Shieh	1425	Kotlin	2021-04-30 09:45:59
2	Silas Lenz	4058	Kotlin	2019-02-07 15:57:08
3	Benjamin Ye	4859	Kotlin	2022-02-08 19:42:22

#	User	Length	Language	Date
1	Måns Magnusson	887	Python 2	2018-08-03 14:22:28
2	Henrik Adolfsson	945	Python 2	2017-01-22 14:25:23
3	Andreas Björklund	1051	Python 2	2020-03-07 16:51:37
4	Oskar Larsson	1076	Python 2	2019-04-24 22:31:40
5	Johan Lyts	1297	Python 2	2020-08-09 13:54:05
6	Carl Martin Rosenberg	1449	Python 2	2015-11-07 20:18:44
7	Maj Stenmark	1459	Python 2	2018-08-03 14:43:50
8	Fatima Afzali	1538	Python 2	2019-01-26 21:37:35
9	Andreas Serra	2609	Python 2	2014-02-09 17:14:45

#	User	Length	Language	Date
1	Hidden user	343	Python 3	2024-07-19 03:30:26
2	Iman Khodadi	415	Python 3	2024-02-16 15:59:57
3	Jorke de Vlas	421	Python 3	2024-01-22 18:49:55
4	Holger Dell	425	Python 3	2023-07-01 20:41:20
5	Jonathan Dastrup	526	Python 3	2024-09-12 02:42:53
6	Anton Nilsson	712	Python 3	2025-01-25 08:59:01
7	Kevin Scott	729	Python 3	2024-01-27 16:04:23
8	Jonathan Cho	732	Python 3	2025-03-26 22:25:18
9	Gabriela Quinteros	732	Python 3	2025-05-31 05:21:32
10	GABRIELA SOFIA QUINTEROS RAMIREZ	732	Python 3	2025-05-31 05:23:33

#	User	Length	Language	Date
1	Christoffer Andersson	2209	Rust	2024-01-24 18:25:02
2	Emil Hultcrantz	2818	Rust	2025-01-16 14:55:19
3	Gustaf Bergmark	2837	Rust	2023-01-14 17:47:41
4	Alexander Berntsson	2976	Rust	2025-02-08 13:31:29
5	Vincent Lagerros	3185	Rust	2024-02-04 21:10:27
6	Markus Videfors	3793	Rust	2023-02-13 00:48:28
7	Muhammad Rais Fathin Mudzakir	5219	Rust	2021-05-13 08:16:44
8	Victor Millberg	6648	Rust	2021-12-03 13:53:43
9	Hidden user	7883	Rust	2019-01-16 18:01:56
10	Oskar Svanström	9743	Rust	2023-02-14 09:14:31

#	User	Length	Language	Date
1	Felix Stenberg	8077	Zig	2025-01-29 16:00:40

Solution running time distribution